I use HBase 0.96 for hadoop 2.2. And I try to code mapreduce with TableMapReduceUtil.initTableMapperJob method.
The number of cells of my hbase column family is allmost 200. Below are my data format and map function codes

You need to configure your scanner to retrieve historical versions with something like Scan#setMaxVersions(). This is disabled by default. The Versions section of our online includes more information.
Cheers,
Nick
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